title: QRS duration in patients hospitalized for worsening heart failure.
authors.forename: Peter
authors.initials: P
authors.lastname: Höglund
authors.forename: L A Fredrik
authors.initials: LA
authors.lastname: Nilsson
mesh_terms: D001145:Arrhythmias, Cardiac; D006333:Heart Failure / Q000503:physiopathology*; D006339:Heart Rate; D006760:Hospitalization; D006801:Humans; D011379:Prognosis